A continuous, high speed (greater than 800 meters per minute) process and apparatus enable the production of a multifilament carpet yarn having a degree of filament intermixture high enough so that a standard deviation of less than 6.0 results upon conducting a Standard Yarn Streak Potential Test, as...http://www.google.de/patents/US5040276?utm_source=gb-gplus-sharePatent US5040276 - Continuous high speed method for making a commingled carpet yarn
